Ubuntu 21.10 USN-5145-1 Moderate: PostgreSQL Network Access Issue

ubuntu

November 11, 2021

PostgreSQL could allow unintended access to network services.

Summary

PostgreSQL could allow unintended access to network services.

Software Description:

- postgresql-13: Object-relational SQL database

- postgresql-12: Object-relational SQL database

- postgresql-10: Object-relational SQL database

Details:

Jacob Champion discovered that PostgreSQL incorrectly handled SSL

certificate verification and encryption. A remote attacker could possibly

use this issue to inject arbitrary SQL queries when a connection is first

established.

Topics Covered

security advisory remote attack moderate severity ubuntu network access postgresql ssl certificate

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
  postgresql-13                   13.5-0ubuntu0.21.10.1

Ubuntu 21.04:
  postgresql-13                   13.5-0ubuntu0.21.04.1

Ubuntu 20.04 LTS:
  postgresql-12                   12.9-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  postgresql-10                   10.19-0ubuntu0.18.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.